Battery-type vacuum-pumping device



FIG. 1 is a top, front, and left perspective view of a battery-type vacuum-pumping device showing our new design;

FIG. 2 is a front side view thereof;

FIG. 3 is a rear side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom, front, and left perspective view thereof.

The broken line show portions of a battery-type vacuum-pumping device that form no part of the claimed design. 

CLAIM The ornamental design for the battery-type vacuum-pumping device, as shown and described. 